Experimental study on the flow and heat transfer characteristics of a tetra-n-butyl ammonium bromide hydrate slurry (first report: Flow characteristics)

被引：41

作者：

Kumano, Hiroyuki ^{[1
]}

Hirata, Tetsuo ^{[1
]}

Kudoh, Tomoya ^{[2
]}

机构：

[1] Shinshu Univ, Dept Mech Syst Engn, Nagano 3808553, Japan

[2] Aishin Seiki Co LTD, Kariya, Aichi 4488650, Japan

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2011年 / 34卷 / 08期

关键词：

Hydrate; Two-phase flow; Pressure drop; Non-Newtonian fluid; ICE SLURRY; CRYSTALS; TUBES;

D O I：

10.1016/j.ijrefrig.2011.06.002

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The flow characteristics of a tetra-n-butyl ammonium bromide hydrate slurry were investigated experimentally. Reynolds number, tube diameter and solid fraction were varied as the experimental parameters. For laminar flow, it was found that the ratio of the coefficients of pipe friction increases with solid fraction, and the rate of increase is high in the case of a low Reynolds number. For turbulent flow, the ratio of the coefficients of pipe friction was approximately 1 for all tube diameters at low solids fraction. It then decreased slightly at a particular solid fraction and increased again at high solid fraction. Theoretical analysis was carried out using the experimental results, and it was found that the flow characteristics of the hydrate slurry can be treated as those of a pseudoplastic fluid and clarified using the apparent Reynolds number. (C) 2011 Elsevier Ltd and IIR. All rights reserved.

引用

页码：1953 / 1962

页数：10

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